7.100 problem 1691 (book 6.100)

Internal problem ID [9269]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 6, non-linear second order
Problem number: 1691 (book 6.100).
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_Emden, _Fowler], [_2nd_order, _with_linear_symmetries]]

Solve \begin {gather*} \boxed {y^{\prime \prime } \sqrt {x}-y^{\frac {3}{2}}=0} \end {gather*}

Solution by Maple

dsolve(diff(diff(y(x),x),x)*x^(1/2)-y(x)^(3/2)=0,y(x), singsol=all)
 

\[ \text {No solution found} \]

Solution by Mathematica

Time used: 0.0 (sec). Leaf size: 0

DSolve[-y[x]^(3/2) + Sqrt[x]*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
 

Not solved